Variable nip minimum wrap calender

Details Variable nip minimum wrap calender Variable nip minimum wrap calender

1976-10-12

1978-03-28

McCarthy, Edward J.

Presses

Concurrent pressing and conveying

Roll type

68 22B, 100 35, 100162R, B30B 304

Patent

active

040808904

ABSTRACT:
A pair of calender rolls have the web to be calendered directed to wrap only about 90.degree. in travelling on one of the rolls into the nip of the rolls and then to wrap only about 90.degree. on the other of the rolls after leaving the nip. Pressure of the nip is variable. Additional variable nips may be provided by means of rolls located in nip relation to the first two rolls to engage the web about 90.degree. from the nip of the first two rolls. Automatic sheet threading is provided for. Provision is made for applying liquid solution to the web in the calender.

REFERENCES:
patent: 1629681 (1927-05-01), Cram
patent: 2623377 (1952-12-01), Dungler
patent: 2678465 (1954-05-01), Schnuck et al.
patent: 3332260 (1967-07-01), Bisang
patent: 3720160 (1973-03-01), Kraft et al.

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